4. The new model of power supply make sure steady power output and long-time continuous working even in some cities and places with mutative voltage.

5. Time display could shows treatment time to help dentist master treating time and progress and reduce the waiting time of patient.Technical parameters1. Power supply: AV220V±10%, 50HZ2. Power: 300W3. Light size: 18x74mm24. Power density: >60MJ/CM25. Light timing: 0~20 mins